0.18m
0.50m
1.62m
18.00m
Correct answer is A
hi = \(\frac{ho \times v}{u} = \frac{1.8 \times 0.3}{3} = 0.18m\)
Which of the following is necessary for the survival of small firms in West Africa?
Access to loand for development
Inadequate collaterals for bank loans
Government assistants in form of loans and tax holidays
High transportation cost
Correct answer is C
No explanation has been provided for this answer.
The image of an optical pin placed at the principal focus of a concave mirror will be formed
between the principal focus and the pole
at the centre of the curvature
between the principal focus and the centre of curvature
at infinity
Correct answer is D
No explanation has been provided for this answer.
dispersion
refraction
interference
diffraction
Correct answer is B
No explanation has been provided for this answer.
amplitude of the wave
wavelength of the wave
direction of vibration of the particles of the medium
period of vibration of the particle of the medium
Correct answer is C
No explanation has been provided for this answer.